Do you have a question about the Synology NAS RS3621xs+ and is the answer not in the manual?
Lists the items included in the Synology NAS package.
Details front panel buttons, indicators, and drive trays.
Covers specific front panel elements like drive trays and release tabs.
Identifies rear panel ports, PSU indicators, and expansion ports.
Defines the different system operational modes.
Explains how to identify system modes using LED indicators.
Details LED indicators for drives, LAN activity, and PSU status.
Explains the function of the alert LED indicator.
Lists necessary tools and parts for component installation.
Step-by-step guide for installing hard drives into the NAS.
Steps to install memory modules into the NAS.
How to verify memory installation in DSM.
Steps to remove RAM modules from the NAS.
Guide to installing PCIe network interface cards.
Instructions for installing the rail kit into a server rack.
Instructions for removing the rail kit from a server rack.
Steps to connect expansion units to the Synology NAS.
Guide to opening the case and replacing a malfunctioning system fan.
Steps to replace a malfunctioning power supply unit.
Steps to install DiskStation Manager using the Web Assistant tool.
Links and resources for further learning about the NAS.











